Properties of the Number -454

Four Hundred Fifty-Four

Basics

Value: -455 → -454 → -453

Parity: even

Prime: No

Previous Prime:

Next Prime: 1

Digit Sum: 13

Digital Root: 4

Palindrome: Yes

Factorization: 2 × 227

Divisors: 1, 2, 227, 454

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

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Representations

Binary: -111000110

Octal: -706

Duodecimal: -31A

Hexadecimal: -1c6

Square: 206116

Square Root: 21.307275752662516

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: No

Perfect Number: No

Special

Kaprekar Constant: No

Munchausen Constant: No

Armstrong Number: No

Kaprekar Number: No

Catalan Number: No

Vampire Number: No

Taxicab Number: No

Super Prime: No

Friedman Number: No

Fermat Number: No

Cullen Number: No

OEIS Sequences

Triangle read by rows: numerators of Cotesian numbers C(n,k) (0 <= k <= n). A100640

Triangle of coefficients of (1 - x)ⁿ*B_n(x/(1 - x)), where B_n(x) is the n-th Bell polynomial. A122753

Expansion of ψ(-q³) / f(q) where ψ(), f() are Ramanujan θ functions. A139135

Expansion of χ(-q) * χ(-q¹⁵) / (χ(-q⁶) * χ(-q¹⁰)) in powers of q where χ() is a Ramanujan θ function. A132968

Expansion of (φ(q) / φ(q³) - 1) / 2 in powers of q where φ() is a Ramanujan θ function. A139139

Alternating row sums of triangle A090447. A90451

Row sums of the swinging derangement triangle (A163770). A163773

a(n) = ∑_d∣n μ(d) * binomial(d + n/d - 2, d-1). A338656

a(n) = ∑_k=0..n (-1)^k * binomial(4·k,n-k) * Catalan(k). A360085

Expansion of the unique normalized cusp form of Gamma₀(5) of weight 6 in powers of q. A226347